Data
OpenML
Help
Sign in
×
Sign in
No account? Join OpenML
Forgot password
×
JavaScript is required to properly view the contents of this page!
OpenML
Explore
Data
Task
Flow
Run
Study
Task type
Measure
People
Help
Blog
Contact
Please cite us
algae
ARFF
CSV
JSON
XML
RDF
algae
active
ARFF
Public Domain (CC0)
Visibility: public
Uploaded 20-02-2024 by
Juan Alfaro
0 likes
downloaded by 0 people , 0 total downloads
0 issues
0 downvotes
Add tag
Issue
#Downvotes for this reason
By
Loading wiki
Help us complete this description
Edit
This dataset contains 340 instances concerning the frequencies of seven types of algae populations in different environments.
25 features
L1
(target)
numeric
6 unique values
0 missing
L2
(target)
numeric
7 unique values
0 missing
L3
(target)
numeric
7 unique values
0 missing
L4
(target)
numeric
7 unique values
0 missing
L5
(target)
numeric
7 unique values
0 missing
L6
(target)
numeric
7 unique values
0 missing
L7
(target)
numeric
7 unique values
0 missing
A1
numeric
2 unique values
0 missing
A2
numeric
2 unique values
0 missing
A3
numeric
2 unique values
0 missing
A4
numeric
2 unique values
0 missing
A5
numeric
2 unique values
0 missing
A6
numeric
2 unique values
0 missing
A7
numeric
2 unique values
0 missing
A8
numeric
2 unique values
0 missing
A9
numeric
2 unique values
0 missing
A10
numeric
2 unique values
0 missing
A11
numeric
97 unique values
0 missing
A12
numeric
104 unique values
0 missing
A13
numeric
273 unique values
0 missing
A14
numeric
283 unique values
0 missing
A15
numeric
271 unique values
0 missing
A16
numeric
253 unique values
0 missing
A17
numeric
287 unique values
0 missing
A18
numeric
195 unique values
0 missing
Show all 25 features
19 properties
NumberOfInstances
316
Number of instances (rows) of the dataset.
NumberOfFeatures
25
Number of attributes (columns) of the dataset.
NumberOfClasses
Number of distinct values of the target attribute (if it is nominal).
NumberOfMissingValues
0
Number of missing values in the dataset.
NumberOfInstancesWithMissingValues
0
Number of instances with at least one value missing.
NumberOfNumericFeatures
25
Number of numeric attributes.
NumberOfSymbolicFeatures
0
Number of nominal attributes.
PercentageOfBinaryFeatures
0
Percentage of binary attributes.
PercentageOfInstancesWithMissingValues
0
Percentage of instances having missing values.
PercentageOfMissingValues
0
Percentage of missing values.
AutoCorrelation
Average class difference between consecutive instances.
PercentageOfNumericFeatures
100
Percentage of numeric attributes.
Dimensionality
0.08
Number of attributes divided by the number of instances.
PercentageOfSymbolicFeatures
0
Percentage of nominal attributes.
MajorityClassPercentage
Percentage of instances belonging to the most frequent class.
MajorityClassSize
Number of instances belonging to the most frequent class.
MinorityClassPercentage
Percentage of instances belonging to the least frequent class.
MinorityClassSize
Number of instances belonging to the least frequent class.
NumberOfBinaryFeatures
0
Number of binary attributes.
Show all 19 properties
0 tasks
Define a new task